– Lat/Long: 48.71° N 121.99° W
South Twin Sister
Weather Forecast, United StatesIssued: 4 am Fri 29 May Local TimeUpdates in: hr min sUpdate imminent
Issued: 4 am Fri 29 May Local Time
Updates in:
Update imminent hr min s
Issued: 4 am Fri 29 May Local Time
Updates in:
Update imminent hr min s
3 South Twin Sister Elevations: 3 Forecast Elevations: Days 1–3 Weather SummaryLight rain (total 2mm), mostly falling on Fri morning. Very mild (max 15°C on Sun afternoon, min 4°C on Fri night). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 5mm), mostly falling on Wed night. Warm (max 21°C on Tue afternoon, min 8°C on Wed night). Wind will be generally light. | |||||||||||||||||
Friday 29 | Saturday 30 | Sunday 31 | Monday 1 | Tuesday 2 | Wednesday 3 | |||||||||||||
AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | night | |
 |  |  | | | |  | |  | | | | | | | | |  | |
light rain | rain shwrs | clear | light rain | rain shwrs | clear | some clouds | some clouds | some clouds | some clouds | rain shwrs | some clouds | rain shwrs | rain shwrs | some clouds | light rain | light rain | light rain | |
km/h | ||||||||||||||||||
 |  |  |  |  |  | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
1.7 | 0.1 | — | 0.1 | 0.2 | — | — | — | — | — | 0.6 | — | 0.1 | 0.6 | — | 0.1 | 0.8 | 3 | |
max °C | 10 | 12 | 9 | 6 | 11 | 10 | 12 | 15 | 12 | 17 | 18 | 17 | 19 | 21 | 19 | 15 | 14 | 10 |
min °C | 8 | 10 | 4 | 5 | 9 | 5 | 8 | 14 | 10 | 13 | 18 | 13 | 16 | 20 | 14 | 14 | 10 | 8 |
7 | 9 | 3 | 4 | 9 | 5 | 8 | 14 | 10 | 13 | 18 | 13 | 16 | 20 | 14 | 14 | 10 | 8 | |
2300 | 2100 | 1600 | 1400 | 1950 | 1950 | 2250 | 2650 | 2650 | 2700 | 2850 | 2850 | 2850 | 3050 | 3100 | 2700 | 2300 | 2200 | |
Cloud base (m) | 600 | 2150 | 650 | 800 | 8950 | 1850 | 2000 | 7000 | 3150 | 2100 | 3400 | 3150 | 2500 | 2600 | 1750 | 600 | ||
 | 5:11 | — | — | 5:11 | — | — | 5:09 | — | — | 5:09 | — | — | 5:09 | — | — | 5:07 | — | — |
 | — | — | 8:59 | — | — | 9:00 | — | — | 9:00 | — | — | 9:01 | — | — | 9:02 | — | — | 9:04 |
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South Twin Sister Weather (Days 0-3):
The weather forecast for South Twin Sister is: Light rain (total 2mm), mostly falling on Fri morning. Very mild (max 15°C on Sun afternoon, min 4°C on Fri night). Wind will be generally light.
South Twin Sister Weather (Days 3-6):
Light rain (total 5mm), mostly falling on Wed night. Warm (max 21°C on Tue afternoon, min 8°C on Wed night). Wind will be generally light.
This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.